/*-----------------------------------*\
  #CERTIFICATIONS COMPONENT STYLES
\*-----------------------------------*/

:root {
  --cert-accent-blue: #4285F4;
  --cert-accent-purple: #A435F0;
  --cert-bg-gradient: linear-gradient(135deg, rgba(66, 133, 244, 0.1) 0%, rgba(164, 53, 240, 0.1) 100%);
  --cert-card-bg: hsla(240, 2%, 12%, 0.7);
  --cert-border: 1px solid hsla(0, 0%, 100%, 0.1);
  --cert-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --cert-accent-soft: hsla(240, 2%, 12%, 0.8);
}

/* --- Intro Text --- */
.achievements-intro {
  color: var(--light-gray-70);
  margin-bottom: 25px;
  font-size: var(--fs-6);
  line-height: 1.6;
}

/* --- Stats Summary --- */
.cert-stats-container {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 30px;
}

.cert-stat-item {
  flex: 1;
  min-width: 150px;
  background: var(--cert-card-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: var(--cert-border);
  border-radius: 16px;
  padding: 20px;
  text-align: center;
  transition: transform 0.3s ease;
  position: relative;
  overflow: hidden;
}

.cert-stat-item::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 4px;
  background: linear-gradient(90deg, var(--cert-accent-blue), var(--cert-accent-purple));
}

.cert-stat-label {
  font-size: var(--fs-8);
  color: var(--light-gray-70);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
  display: block;
}

.cert-stat-value {
  font-size: var(--fs-4);
  font-weight: var(--fw-700);
  color: var(--white-1);
}

/* --- Search & Filter --- */
.cert-controls {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 40px;
}

.cert-search-wrap {
  position: relative;
  width: 100%;
}

.cert-search-input {
  width: 100%;
  background: var(--cert-card-bg);
  border: var(--cert-border);
  color: var(--white-2);
  padding: 15px 15px 15px 50px;
  border-radius: 12px;
  font-size: var(--fs-6);
  outline: none;
  transition: border-color 0.3s ease;
}

.cert-search-input:focus {
  border-color: var(--cert-accent-blue);
  box-shadow: 0 0 10px rgba(66, 133, 244, 0.2);
}

.search-icon {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 20px;
  color: var(--vegas-gold);
}

.cert-filter-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-start;
}

.filter-btn {
  background: var(--onyx);
  color: var(--light-gray);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: var(--fs-8);
  transition: all 0.3s ease;
  border: 1px solid transparent;
}

.filter-btn.active {
  background: var(--cert-bg-gradient);
  color: var(--white-1);
  border-color: var(--cert-accent-blue);
  box-shadow: 0 0 15px rgba(66, 133, 244, 0.3);
}

.filter-btn:hover:not(.active) {
  background: hsla(240, 2%, 20%, 0.8);
  transform: translateY(-2px);
}

/* --- Grid & Cards --- */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 25px;
}

.cert-card {
  background: var(--cert-card-bg);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border: var(--cert-border);
  border-radius: 20px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  cursor: pointer;
  position: relative;
  opacity: 0;
  transform: translateY(30px);
}

.cert-card.reveal {
  opacity: 1;
  transform: translateY(0);
}

.cert-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 20px;
  padding: 2px;
  background: linear-gradient(135deg, transparent 50%, rgba(255, 255, 255, 0.1));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.cert-card:hover {
  transform: translateY(-10px) scale(1.02);
  border-color: var(--cert-accent-blue);
  box-shadow: 0 10px 40px -10px rgba(66, 133, 244, 0.4);
}

.cert-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.cert-icon-box {
  width: 48px;
  height: 48px;
  background: var(--cert-accent-soft);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}

.cert-category-tag {
  font-size: 10px;
  text-transform: uppercase;
  background: var(--onyx);
  color: var(--light-gray-70);
  padding: 4px 10px;
  border-radius: 20px;
  letter-spacing: 0.5px;
}

.cert-title {
  font-size: var(--fs-6);
  color: var(--white-1);
  font-weight: var(--fw-700);
  line-height: 1.4;
}

.cert-issuer-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.cert-issuer {
  font-size: var(--fs-7);
  color: var(--vegas-gold);
  font-weight: var(--fw-600);
}

.cert-date {
  font-size: var(--fs-8);
  color: var(--light-gray-70);
}

.cert-btn {
  margin-top: auto;
  background: var(--onyx);
  color: var(--white-2);
  font-size: var(--fs-8);
  padding: 10px;
  border-radius: 10px;
  text-align: center;
  transition: all 0.3s ease;
  border: 1px solid var(--jet);
}

.cert-card:hover .cert-btn {
  background: var(--cert-accent-blue);
  color: var(--eerie-black-1);
  border-color: var(--cert-accent-blue);
  font-weight: 600;
}

/* --- Modal Improvements --- */
.cert-modal {
  max-width: 800px;
  width: 90%;
  background: var(--cert-card-bg);
  backdrop-filter: blur(25px);
  border-radius: 24px;
  padding: 40px;
  color: var(--white-2);
  position: relative;
  box-shadow: 0 0 50px rgba(0, 0, 0, 0.5);
}

.cert-modal-header {
  margin-bottom: 25px;
  text-align: center;
}

.cert-description-box {
  width: 100%;
  background: var(--bg-gradient-jet);
  border: 1px solid var(--jet);
  border-radius: 16px;
  padding: 25px;
  margin-bottom: 25px;
  border-left: 4px solid var(--cert-accent-blue);
}

.modal-description {
  font-size: var(--fs-6);
}

.placeholder-text {
  color: var(--light-gray-70);
  font-style: italic;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reveal {
  animation: fadeInUp 0.6s ease forwards;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .cert-grid {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  }
}

@media (max-width: 580px) {
  .cert-stats-container {
    flex-direction: column;
  }
}